Activity 1D (Textbook) – Chemistry Form 5 Chapter 1 (Redox Equilibrium)

Activity 1D:

 
Determine the oxidation number for the underlined elements.
Show all workings, if any.

Answer:
1. +7   
2. +2   
3. -1
4. +1
5. +1
6. +3
7. +4
8. 0